Examples with MutableMetaSnapshot com.torodb.core.transaction.metainf.MutableMetaSnapshot used on opensource projects

Example 36 with MutableMetaSnapshot

use of com.torodb.core.transaction.metainf.MutableMetaSnapshot in project torodb by torodb.

the class SqlWriteTorodTransaction method createMetaDatabase.

private MutableMetaDatabase createMetaDatabase(String dbName) {
    Preconditions.checkState(!isClosed());
    MutableMetaSnapshot metaSnapshot = getInternalTransaction().getMetaSnapshot();
    MutableMetaDatabase metaDb = metaSnapshot.addMetaDatabase(dbName, getConnection().getServer().getIdentifierFactory().toDatabaseIdentifier(metaSnapshot, dbName));
    getInternalTransaction().getBackendTransaction().addDatabase(metaDb);
    return metaDb;
}

Example 37 with MutableMetaSnapshot

use of com.torodb.core.transaction.metainf.MutableMetaSnapshot in project torodb by torodb.

the class MvccMetainfoRepositoryTest method testSingleThread.

@Test
public void testSingleThread() throws UnmergeableException {
    MutableMetaSnapshot mutableSnapshot;
    try (SnapshotStage snapshotStage = repository.startSnapshotStage()) {
        mutableSnapshot = snapshotStage.createMutableSnapshot();
    }
    mutableSnapshot.addMetaDatabase(dbName, dbId).addMetaCollection(colName, colId);
    Assert.assertNotNull(mutableSnapshot.getMetaDatabaseByName(dbName));
    Assert.assertNotNull(mutableSnapshot.getMetaDatabaseByName(dbName).getMetaCollectionByIdentifier(colId));
    try (MergerStage mergeStage = repository.startMerge(mutableSnapshot)) {
        mergeStage.commit();
    }
    ImmutableMetaSnapshot immutableSnapshot;
    try (SnapshotStage snapshotStage = repository.startSnapshotStage()) {
        immutableSnapshot = snapshotStage.createImmutableSnapshot();
    }
    assertThat(immutableSnapshot.getMetaDatabaseByName(dbName)).named("the database by name").isNotNull();
    Assert.assertNotNull(immutableSnapshot.getMetaDatabaseByName(dbName));
    Assert.assertNotNull(immutableSnapshot.getMetaDatabaseByName(dbName).getMetaCollectionByIdentifier(colId));
}

Example 38 with MutableMetaSnapshot

use of com.torodb.core.transaction.metainf.MutableMetaSnapshot in project torodb by torodb.

the class SnapshotMergerForIndexTest method testRemoveIndexWithOldIndexWithSameDocPartIndexAddedConflict.

/**
   * Test an exception is thrown when an index is removed and has same doc part index as an old
   * added index Case 2&1.KO1.1
   *
   * @throws Exception
   */
@Test
public void testRemoveIndexWithOldIndexWithSameDocPartIndexAddedConflict() throws Exception {
    MutableMetaSnapshot currentModifiedSnapshot = new WrapperMutableMetaSnapshot(currentSnapshot);
    currentModifiedSnapshot.getMetaDatabaseByName("dbName1").getMetaCollectionByName("colName1").getMetaDocPartByTableRef(tableRefFactory.createRoot()).addMetaField("fieldName2", "fieldId2", FieldType.STRING);
    currentModifiedSnapshot.getMetaDatabaseByName("dbName1").getMetaCollectionByName("colName1").addMetaIndex("idxName2", true).addMetaIndexField(tableRefFactory.createRoot(), "fieldName2", FieldIndexOrdering.ASC);
    currentModifiedSnapshot.getMetaDatabaseByName("dbName1").getMetaCollectionByName("colName1").getMetaIndexByName("idxName2").addMetaIndexField(tableRefFactory.createChild(tableRefFactory.createRoot(), "docPartName2"), "fieldName3", FieldIndexOrdering.ASC);
    currentModifiedSnapshot.getMetaDatabaseByName("dbName1").getMetaCollectionByName("colName1").getMetaDocPartByTableRef(tableRefFactory.createRoot()).addMetaDocPartIndex(false).addMetaDocPartIndexColumn("fieldId2", FieldIndexOrdering.ASC);
    currentModifiedSnapshot.getMetaDatabaseByName("dbName1").getMetaCollectionByName("colName1").getMetaDocPartByTableRef(tableRefFactory.createRoot()).getAddedMutableMetaDocPartIndexes().iterator().next().immutableCopy("idxId2");
    ImmutableMetaSnapshot currentSnapshot = currentModifiedSnapshot.immutableCopy();
    currentModifiedSnapshot = new WrapperMutableMetaSnapshot(currentSnapshot);
    currentModifiedSnapshot.getMetaDatabaseByName("dbName1").getMetaCollectionByName("colName1").addMetaIndex("idxName3", false).addMetaIndexField(tableRefFactory.createRoot(), "fieldName2", FieldIndexOrdering.ASC);
    MutableMetaSnapshot changedSnapshot = new WrapperMutableMetaSnapshot(currentSnapshot);
    changedSnapshot.getMetaDatabaseByName("dbName1").getMetaCollectionByName("colName1").removeMetaIndexByName("idxName2");
    changedSnapshot.getMetaDatabaseByName("dbName1").getMetaCollectionByName("colName1").getMetaDocPartByTableRef(tableRefFactory.createRoot()).removeMetaDocPartIndexByIdentifier("idxId2");
    try {
        new SnapshotMerger(currentModifiedSnapshot.immutableCopy(), changedSnapshot).merge();
        Assert.fail("A " + UnmergeableException.class.getSimpleName() + " was expected to be thrown");
    } catch (UnmergeableException ex) {
    }
}

Example 39 with MutableMetaSnapshot

use of com.torodb.core.transaction.metainf.MutableMetaSnapshot in project torodb by torodb.

the class SnapshotMergerForIndexTest method testIndexWithMissingDocPartIndexConflict.

/**
   * Test that an exception is thrown on new field with missing doc part index conflicts Case
   * 3&1.KO1.1
   *
   * @throws Exception
   */
@Test
public void testIndexWithMissingDocPartIndexConflict() throws Exception {
    MutableMetaSnapshot currentModifiedSnapshot = new WrapperMutableMetaSnapshot(currentSnapshot);
    currentModifiedSnapshot.getMetaDatabaseByName("dbName1").getMetaCollectionByName("colName1").addMetaIndex("idxName2", false).addMetaIndexField(tableRefFactory.createRoot(), "fieldName2", FieldIndexOrdering.ASC);
    MutableMetaSnapshot changedSnapshot = new WrapperMutableMetaSnapshot(currentSnapshot);
    changedSnapshot.getMetaDatabaseByName("dbName1").getMetaCollectionByName("colName1").getMetaDocPartByTableRef(tableRefFactory.createRoot()).addMetaField("fieldName2", "fieldId2", FieldType.STRING);
    try {
        new SnapshotMerger(currentModifiedSnapshot.immutableCopy(), changedSnapshot).merge();
        Assert.fail("A " + UnmergeableException.class.getSimpleName() + " was expected to be thrown");
    } catch (UnmergeableException ex) {
    }
}

Example 40 with MutableMetaSnapshot

use of com.torodb.core.transaction.metainf.MutableMetaSnapshot in project torodb by torodb.

the class SnapshotMergerForIndexTest method testIndexWithMultiFieldsWithNewFieldAndMissingDocPartIndexConflict.

/**
   * Test that an exception is thrown on new field with missing doc part index for existing index
   * with multiple fields conflicts Case 3&3.KO1.2
   *
   * @throws Exception
   */
@Test
public void testIndexWithMultiFieldsWithNewFieldAndMissingDocPartIndexConflict() throws Exception {
    MutableMetaSnapshot currentModifiedSnapshot = new WrapperMutableMetaSnapshot(currentSnapshot);
    currentModifiedSnapshot.getMetaDatabaseByName("dbName1").getMetaCollectionByName("colName1").addMetaIndex("idxName2", false).addMetaIndexField(tableRefFactory.createRoot(), "fieldName2", FieldIndexOrdering.ASC);
    currentModifiedSnapshot.getMetaDatabaseByName("dbName1").getMetaCollectionByName("colName1").getMetaIndexByName("idxName2").addMetaIndexField(tableRefFactory.createRoot(), "fieldName3", FieldIndexOrdering.ASC);
    ImmutableMetaSnapshot currentSnapshot = currentModifiedSnapshot.immutableCopy();
    currentModifiedSnapshot = new WrapperMutableMetaSnapshot(currentSnapshot);
    currentModifiedSnapshot.getMetaDatabaseByName("dbName1").getMetaCollectionByName("colName1").getMetaDocPartByTableRef(tableRefFactory.createRoot()).addMetaField("fieldName2", "fieldId2", FieldType.STRING);
    MutableMetaSnapshot changedSnapshot = new WrapperMutableMetaSnapshot(currentSnapshot);
    changedSnapshot.getMetaDatabaseByName("dbName1").getMetaCollectionByName("colName1").getMetaDocPartByTableRef(tableRefFactory.createRoot()).addMetaField("fieldName3", "fieldId3", FieldType.STRING);
    try {
        new SnapshotMerger(currentModifiedSnapshot.immutableCopy(), changedSnapshot).merge();
        Assert.fail("A " + UnmergeableException.class.getSimpleName() + " was expected to be thrown");
    } catch (UnmergeableException ex) {
    }
}